JP2876855B2 - Tape recorder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape recorder having a loading mechanism for covering a front opening portion with a shutter when not in use and for opening a tape cassette for opening the shutter when in use.

[0002]

2. Description of the Related Art In recent years, audio equipment has been trending toward digital audio, and with the development of technology, a high-fidelity tape recorder by digital recording and digital reproduction has been developed, and an R-DAT using a rotating head and an S-DAT using a fixed head have been developed. DA
Two schemes of T have been proposed. In particular, S-DAT is
A system that can record and reproduce both analog and digital signals with a single tape recorder because the structure of the head and the tape cassette are similar to the currently widely used analog tape recorder because of the fixed head. Is expected to be commercialized.

A currently proposed tape recorder of a type capable of recording and reproducing both analog and digital signals is a conventional tape having a thick front opening portion for inserting a magnetic head and a pinch roller. A cassette (analog compact cassette = ACC) and a front opening for inserting a magnetic head and a pinch roller are covered when not in use, and when used, the front surface is slid in the direction in which the magnetic tape runs or in the opposite direction. A tape cassette with a shutter that opens the opening (a digital compact cassette = hereinafter abbreviated as DCC) can be mounted on the same tape recorder. ACC playback is also possible.

According to this tape recorder, D
When the tape cassette is mounted on the tape recorder or when the ACC is used, the shutter operating means must be configured so as not to interfere with the shutter operating means for opening and closing the CC shutter. Therefore, in a tape recorder in which the shutter is opened by moving the tape cassette in a direction perpendicular to the sliding direction of the shutter, the shutter operating means is provided with a DCC shutter so that the shutter operating means does not interfere when the ACC is used. There has been proposed a shutter provided with a shutter operating shaft for performing the opening operation in combination and a contact portion for contacting the front surface of the ACC to escape the shutter operating means.

[0005]

However, in the above-mentioned conventional tape recorder, when the tape cassette is mounted on the tape recorder, the shutter is opened by moving the tape cassette in the direction perpendicular to the sliding direction of the shutter. Nothing has been proposed to open the shutter when the tape cassette is mounted on the tape recorder in the sliding direction of the shutter.In the conventional method, when the tape cassette is mounted on the tape recorder, the shutter operating means is not used. However, it has a problem that it cannot be mounted because it is in the way.

In view of the above problems, the present invention provides a tape recorder of a type in which a tape cassette is mounted on a tape recorder in a sliding direction of a shutter, and a shutter operating means which does not hinder the mounting of the tape cassette and the use of ACC. The purpose of the present invention is to provide a tape recorder provided with the following.

[0007]

In order to solve the above-mentioned problems, a tape recorder according to the present invention is provided with a shutter which slides in a tape cassette insertion direction to open and close a front opening for inserting a magnetic head or the like, and What is claimed is: 1. A tape recorder in which a tape cassette with a shutter provided with a cutout portion with which an operating shaft for opening and closing a shutter engages is mounted, wherein the holder restrains the tape cassette at least in a direction perpendicular to an insertion direction. A shutter operating means for providing an operating shaft for opening and closing the shutter so as to urge the operating shaft portion inward of the holder; and providing an engaging member for engaging with the tape cassette. Moving means for moving the tape cassette from a first position to be moved to a second position at which recording or reproduction is possible. In the first position, a contact portion is provided for retreating the operating shaft to a position not interfering with the tape cassette in the first position, and the tape cassette is moved by further moving the moving means from the first position. And the operating shaft comes into contact with the tape cassette so that the shutter can be opened.

In addition, a holding member having one end rotatably supported and the other end rotatably holding the holder is provided to move the holder in a direction perpendicular to the main outer surface of the tape cassette. The shutter is slidably held by a first guide for moving means formed on the holding member, and a shutter actuating means is configured to be rotatable on the holder. A guide part is provided, and the moving means is guided so as to be slidable along the second guide part for the moving means when the holder is moved in the insertion direction, and when the holder is moved in the vertical direction. A guided member is provided so as to be located at a position where the guided member does not engage with the second guide portion for the moving means.

The moving means includes an engaging member for engaging the tape cassette, a first moving member for moving the tape cassette from a first position to a second position, and one end having the first moving member. A contact portion that engages with the member and that is rotatably supported at the other end near the shutter operating means and abuts on the shutter operating means at the first position to escape the operating shaft to a position that does not interfere with the tape cassette; The second with
And the operating shaft comes into contact with the tape cassette when the moving means further moves the tape cassette from the first position.

[0010]

According to the present invention, a tape cassette having a shutter or a shutter without a shutter can be used by the above-described structure. When using a tape cassette without a shutter, the shutter can be opened when using a tape cassette with a shutter.

[0011] Further, a holding member having one end rotatably supported and the other end rotatably holding the holder so as to move the holder in a direction perpendicular to the main outer surface of the tape cassette, wherein the moving means is a holding member. The sliding means is slidably held on the first guide part for the moving means, the shutter actuating means is configured to be rotatable on the holder, and the holder is provided with the second guide part for the moving means in the tape inserting direction, The moving means is guided so as to be slidable along the second guide part for the moving means of the holder when moving in the insertion direction, and the second guiding part for the moving means when the holder is moved in the vertical direction. When a guided member arranged so as not to be engaged is provided, the contact between the shutter operating means provided on the holder and the abutting portion of the operating means provided on the holding member is stably held. Kill.

[0012] Further, as a moving means, there is provided an engaging member for engaging with the tape cassette, a first moving member for moving the tape cassette from a first position to a second position, and one end having the first moving member. A contact portion is provided which engages with the member and has the other end rotatably supported near the shutter operating means and abuts on the shutter operating means at the first position to escape the operating shaft to a position which does not interfere with the tape cassette. A second moving member, wherein when the moving means further moves the tape cassette from the first position, the operating shaft comes into contact with the tape cassette. When using a tape cassette with a shutter, the shutter can be opened without using the tape cassette.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the tape recorder according to the present invention will be described below in detail with reference to FIGS.

FIG. 1 is a plan view of a tape recorder according to a first embodiment of the present invention. FIG. 2 is a side view thereof.

1 and 2, reference numeral 2 denotes the above-described DCC.
The tape cassette 3 is a holder for inserting the DCC2,
Reference numeral 4 denotes a shutter actuating means for opening and closing the shutter 2a of the DCC 2, 5 an arm member constituting the moving means, 6 a slider member holding the DCC 2 and being connected to the arm member 5 and constituting the moving means. Numeral 6 is configured to slide on the guide portion 7a of the holding member 7. Then, the slider member 6 and the arm member 5
The moving means composed of the like moves the DCC 2 from a first position where the DCC 2 is held by the DCC engaging member 6b of the slider member 6 to a second position where recording or reproduction is possible. D
The movement of the CC2 is performed in a state where the arm member 5 rotates counterclockwise about the shaft 5a, and the slider member 6 is retracted to a position indicated by a two-dot chain line in FIG.
Pivots the holding member 7 about the shaft 7b to the state shown by the imaginary line in FIG.
Together with the head and the pinch roller to move the DCC 2 to a second position capable of recording or reproducing, facing the head and the pinch roller. Further, the shutter operating means 4 is urged by an urging member 4b so as to rotate clockwise about the shaft 4a, and is inserted into the notch 2b of the DCC 2 at the tip 4c so as to be able to engage with the shutter end face 2c of the DCC 2. A possible operating shaft 4d is provided. Further, the slider member 6 is provided with a contact portion 6d which contacts the tip portion 4c of the shutter operating means at the first position.

In FIG. 1, reference numeral 8 denotes a magnetic head for recording or reproducing data on or from a tape, and reference numeral 9 denotes a tape driving motor which is rotated by a capstan (not shown). ) And the pinch rollers 10 to drive the tape.

The operation of the tape recorder configured as described above will be described below with reference to FIGS. FIG. 3 is a perspective view of a main part when the DCC 2 is used, and shows a state in which the slider member 6 moves along the holding member 7. FIG. 4 shows the vertical operation state. FIG.
The perspective view at the time of using CC1 is shown.

First, in FIG. 3, the slider member 6 indicated by a solid line is the first position engaged with the DCC 2. The DCC 2 inserted into the holder 3 from the left is held by the slider member 6 because the DCC engaging member 6b provided on the slider member 6 and the hole grip slot 2d provided on the DCC 2 engage. In this position, the front end 6f of the contact portion 6d provided on the slider member 6 comes into contact with the front end portion 4c of the shutter operating means 4 and the shutter 4b is rotated clockwise about the shaft 4a by the urging member 4b. The operating shaft 4d of the operating means 4 is retracted outside the holder-3. When the arm member 5 rotates counterclockwise, the fitting portion 6a is guided by the guide portion 7a of the holding member 7, and the slider member 6 engaged with the elongated hole 5b of the arm member 5 by the shaft 6e is moved rightward. And DCC2 also moves.

When the slider member 6 moves to the right, the contact portion 6d and the leading end 4c of the shutter operating means 4 are brought into contact with the shutter operating means 4 by the urging member 4b.
The shaft 4d moves from the position f to the slope 6g, rotates clockwise around the shaft 4a, and rotates by a predetermined amount, so that the operating shaft 4d contacts the front surface 2e of the DCC 2. Further, the slider members 6 and D
When the CC2 moves, the operating shaft 4d engages with the notch 2b provided in the DCC2 and further engages with the shutter end face 2c to prevent the right movement of only the shutter 2a, so that the shutter 2a is opened. The state shown by the dotted line is obtained.

Next, as shown in FIG. 4, the DCC 2 which has been pulled into the right side is rotated by the holding member 7 counterclockwise about the shaft 7b, and is rotatably supported by the holding member 7 by the support portion 3a. The DCC 2 can be moved to a second position where the DCC 2 can be reproduced or recorded together with the holder 3 with the shutter 2a opened.

As shown in FIG. 3, when the slider member 6 is provided with a guided member 6h so as to vertically sandwich the guide portion 3b of the holder 3 with the contact portion 6d, the contact member held by the slider member 6 is provided. The displacement of the engagement height between the portion 6d and the tip 4c of the shutter operating means 4 held by the holder 3 can be reduced, and the thickness of the tip 4c and the contact portion 6d can be reduced. In this case, as shown in FIG. 4, when the holder 3 and the DCC 2 move up and down, the guided member 6h is provided on the slider member 6 so as to be at a position 3c that does not interfere with the guide portion 3b of the holder 3.

Similarly, in FIG. 5, the ACC 1 inserted into the holder 3 from the left is engaged with the ACC engaging member 6c provided on the slider member 6 and the reel shaft insertion hole 1d provided on the ACC 1. It is held by the slider member 6. In this position, the operating shaft 4d is held by the tip 6f of the contact portion 6d in the same manner as when the DCC 2 is used.
It is evacuated outside from 3 and does not interfere with the insertion of ACC. When the ACC 1 moves to the right together with the slider member 6, the operating shaft 4d of the slider operating means 4 abuts on the front surface 1e of the ACC 1 and moves while being supported by the front surface 1e, as indicated by the two-dot chain line. Is performed, and the shutter operation means 4 does not hinder the mounting of the ACC 1 at all.

Next, a second embodiment will be described with reference to FIG. FIG. 6 is a perspective view of a main part when the DCC 2 is used, and shows a state where the slider member 6 moves along the holding member 7.

In FIG. 6, the slider member 6 indicated by the solid line is the first position engaged with the DCC 2. The DCC 2 inserted into the holder 3 from the left is held by the slider member 6 because the DCC engaging member 6b provided on the slider member 6 and the hole grip slot 2d provided on the DCC 2 engage. In this position, the contact portion 5c provided on the arm member 5 comes into contact with the tip end portion 4c of the shutter actuating means 4 and the urging member 4b attempts to rotate clockwise about the shaft 4a. Working shaft 4
d is made to escape outside of the holder-3. The slider member 6 engaged with the elongated hole 5b of the arm member 5 by the shaft 6e moves the fitting portion 6a to the right by the guide member 7a of the holding member 7 when the arm member rotates clockwise. Then, the DCC 2 also moves.

When the arm member 5 rotates clockwise, the contact portion 5c moves rightward, and the tip 4c of the shutter operating means 4 rotates clockwise about the shaft 4a by the urging member 4b. Then, at the time of turning by a certain amount, the operating shaft 4d comes into contact with the front surface 2e of the DCC 2. Further, the slider members 6 and D
When the CC2 moves, the operating shaft 4d engages with the notch 2b provided in the DCC2 and further engages with the shutter end face 2c to prevent the right movement of only the shutter 2a, so that the shutter 2a is opened. The state shown by the dotted line is obtained.

When the ACC 1 is used, the shutter operating means 4 does not hinder the insertion and movement of the ACC 1 as in the first embodiment.

[0027]

As described above, according to the present invention, the shutter for opening and closing the front opening for inserting the magnetic head and the like by sliding in the tape cassette insertion direction is provided, and the operating shaft for opening and closing the shutter is engaged. A tape recorder adapted to mount a tape cassette with a shutter provided with a notch portion, and a holder for restraining the tape cassette at least in a direction perpendicular to an insertion direction,
An operating shaft for opening and closing the shutter is provided, and a shutter operating means for biasing the operating shaft portion inward of the holder, and an engaging member for engaging with the tape cassette are provided, and a first position from which the engaging member is engaged. Moving means for moving the tape cassette to a second position at which recording or reproduction is possible, wherein the moving means abuts the shutter operating means at the first position and causes the operating shaft to escape to a position which does not interfere with the tape cassette. By providing the contact portion, when the moving means further moves the tape cassette from the first position, the operating shaft comes into contact with the tape cassette to open the shutter, and the tape cassette without the shutter can be operated. It can be mounted even if it is.

[0028] Further, a holding member having one end rotatably supported and the other end rotatably holding the holder so as to move the holder in a direction perpendicular to the main outer surface of the tape cassette is provided. The sliding means is slidably held on the first guide part for the moving means, the shutter actuating means is configured to be rotatable on the holder, and the holder is provided with the second guide part for the moving means in the tape inserting direction, The moving means is guided so as to be slidable along the second guide part for the moving means of the holder when moving in the insertion direction, and the second guiding part for the moving means when the holder is moved in the vertical direction. By providing the guided member disposed so as not to be engaged, the contact between the shutter operating means provided on the holder and the moving means provided on the holding member can be stably held. Since it thinner the thickness of the contact portion, it can be miniaturized.

The moving means includes an engaging member for engaging with the tape cassette, a first moving member for moving the tape cassette from a first position to a second position, and one end having the first moving member. A contact portion is provided which engages with the member and has the other end rotatably supported near the shutter operating means and abuts on the shutter operating means at the first position to escape the operating shaft to a position which does not interfere with the tape cassette. A second moving member, wherein when the moving means further moves the tape cassette from the first position, the shutter operating shaft comes into contact with the tape cassette, so that the shutter operating shaft is obstructed when the tape cassette is mounted. Instead, the shutter can be opened when using a tape cassette with a shutter.

[Brief description of the drawings]

FIG. 1 is a plan view of a tape recorder according to a first embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view showing a horizontal movement state when the second tape cassette is used.

FIG. 4 is a perspective view showing a vertical movement state when the second tape cassette is used.

FIG. 5 is a perspective view showing a horizontal movement state when the first tape cassette is used.

FIG. 6 is a perspective view showing a horizontal movement state when a second tape cassette of the tape recorder according to the second embodiment of the present invention is used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st tape cassette 2 2nd tape cassette 2a shutter 2b notch 3 holder 3a support 3b guide 4 shutter operation means 4a shaft 4b urging member 4c tip 4d operation shaft 5 arm member 6 slider member 6a fitting Joint 6b DCC engaging member 6c ACC engaging member 6d Contact portion 7 Holding member

Claims (3)

(57) [Claims] 1. A shutter provided with a shutter for opening and closing a front opening for inserting a magnetic head and the like by sliding in a tape cassette insertion direction, and a notch provided with an operating shaft for opening and closing the shutter. A tape recorder in which a tape cassette is mounted, wherein a holder for restraining the tape cassette at least in a direction perpendicular to an insertion direction, and an operation shaft for opening and closing the shutter are provided, and the operation shaft portion is provided. A shutter operating means biased inward of the holder, and an engaging member for engaging the tape cassette, wherein the tape is moved to a second position at which recording or reproduction is possible from a first position at which the tape cassette is engaged. Moving means for moving the cassette, the moving means interfering the operating shaft with the tape cassette in the first position. An abutting portion for escaping to a position where the tape cassette is moved by moving the moving means further than the first position to open the shutter when the operating shaft comes into contact with the tape cassette; Tape recorder characterized by being configured to be And a holding member having one end rotatably supported and the other end rotatably holding the holder so as to move the holder in a direction perpendicular to the main outer surface of the tape cassette. The shutter is slidably held by a first guide for moving means formed on the holding member, and a shutter actuating means is configured to be rotatable on the holder. A guide part is provided, and the moving means is guided so as to be slidable along the second guide part for the moving means when the holder is moved in the insertion direction, and when the holder is moved in the vertical direction. 2. The tape recorder according to claim 1, further comprising a guided member disposed so as not to be engaged with the second guide portion for the moving means. 3. The moving means includes a first moving member provided with an engaging member for engaging with the tape cassette, the first moving member moving the tape cassette from a first position to a second position, and one end having the first moving member. A contact portion that engages with the member and that is rotatably supported at the other end near the shutter operating means and abuts on the shutter operating means at the first position to escape the operating shaft to a position that does not interfere with the tape cassette; And a second moving member provided with a second moving member, wherein when the moving means further moves the tape cassette from the first position, the operating shaft comes into contact with the tape cassette. The tape recorder according to claim 1.